CN209526721U - A kind of millimeter wave transceiving equipment - Google Patents
A kind of millimeter wave transceiving equipment Download PDFInfo
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- CN209526721U CN209526721U CN201920615166.2U CN201920615166U CN209526721U CN 209526721 U CN209526721 U CN 209526721U CN 201920615166 U CN201920615166 U CN 201920615166U CN 209526721 U CN209526721 U CN 209526721U
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Abstract
The utility model provides a kind of millimeter wave transceiving equipment, by two frequency band transmitting-receiving subassemblies of setting the transmitting-receiving frequency range of millimeter wave is divided into the first broadband rf signal and the second broadband rf signal, so as to execute transmitting-receiving process respectively according to the characteristics of different broadbands, the signal transmitting and receiving of " ultra wide band " may be implemented, and there are the advantages such as integrated level is high, small in size, light-weight, small power consumption, versatility are good, especially suitable for general small-size electronic countermeasure load.
Description
Technical field
The utility model relates to field of wireless communication more particularly to a kind of millimeter wave transceiving equipment.
Background technique
Millimeter wave transceiving equipment is widely applied in guidance, radar, electronic warfare system, it realizes signal transmitting and connects
The big transformation of retractable directly affects the performance of entire millimeter-wave systems.As it can be seen that millimeter wave transceiving equipment is as millimeter-wave systems
In important component, be always the hot and difficult issue studied at present, in recent years, high-resolution imaging technology safety check, visit
The fields such as survey, remote sensing using more and more extensive, corresponding requirements millimeter wave transceiving equipment has higher frequency range, broader band
Width, but while widening frequency spectrum and bandwidth, the device in millimeter wave transceiving equipment can also increase therewith, so that volume can also increase
Greatly, the miniature requirement to millimeter wave transceiving equipment is not met.
Utility model content
The utility model provides a kind of millimeter wave transceiving equipment, to solve existing millimeter wave transceiving equipment in high frequency
Contradiction between section, wide bandwidth and small size.
To solve the above-mentioned problems, the utility model provides a kind of millimeter wave transceiving equipment, comprising:
Frequency source component is logical including clock crystal oscillator and the local oscillation signal access and point-frequency signal that connect with the clock crystal oscillator
Road is provided with local oscillator frequency of phase locking source, the first frequency multiplier and the first power splitter, the local oscillator locking phase in the local oscillation signal access
Frequency source generates the first fundamental frequency signal under the clock signal that the clock crystal oscillator generates, and first fundamental frequency signal is through described
Function is divided into multichannel local oscillation signal after one frequency multiplier and the first power splitter frequency multiplication, and a little frequency is arranged in the point-frequency signal access
Frequency of phase locking source, the second frequency multiplier and the second power splitter, the point frequency frequency of phase locking source generate second under the clock signal
Fundamental frequency signal, second fundamental frequency signal function after second frequency multiplier and the second power splitter frequency multiplication are divided into multichannel point frequency
Signal；
First band transmitting-receiving subassembly, including on the first microwave components and the first band being connect with first microwave components
Frequency conversion channel and first band down coversion channel, the first band up-conversion passage include the first frequency mixer and second of connection
Frequency mixer, an intermediate-freuqncy signal and the point-frequency signal be mixed by first frequency mixer generates a M signal, and described the
The M signal and the local oscillation signal be mixed by two frequency mixers generates the first broadband rf signal and by described the
One microwave components are sent, and first band down coversion channel includes third frequency mixer and the 4th frequency mixer, the third
Received first broadband rf signal of first microwave components be mixed described in generation with the local oscillation signal by frequency mixer
M signal, the M signal be mixed with the point-frequency signal by the 4th frequency mixer generates the intermediate-freuqncy signal simultaneously
It inputs in a wave detector；
Second band transmitting-receiving subassembly is logical including the second microwave components and the first filtering connecting with second microwave components
Road and the second filtering channel, first filtering channel include the first filter and the first attenuator of connection, one second broadband
Radiofrequency signal is sent after sequentially passing through the first filter and first attenuator by second microwave components, institute
State the second filter and the second attenuator that the second filtering channel includes connection, received second broadband of the second microwave components
Radiofrequency signal inputs in the wave detector after sequentially passing through the second filter and the second attenuator.
Optionally, first microwave components and second microwave components include switching channels and with the switching channels
Interior transmitting branch and receiving branch is provided with an emission amplifier in the transmitting branch, is provided in the receiving branch
Limiter and the switching switch combination connecting with the limiter are provided with through path and amplification in the switching switch combination
Access, for the switching channels for switching the transmitting branch and the receiving branch, the switch combination is described for switching
Through path and amplification access.
Optionally, the frequency of first broadband rf signal is between 4GHz-18GHz, second broadband rf signal
Frequency between 0.8GHz-4GHz, the frequency of the local oscillation signal is between 26.5GHz-40.5GHz, the frequency of the point-frequency signal
Rate is 30.1GHz, and the frequency of the M signal is between 22.5GHz ± 2GHz, and the frequency of the intermediate-freuqncy signal is between 7.6GHz
±2GHz。
Optionally, third filter is additionally provided between first microwave components and second frequency mixer and third declines
Subtract device, is additionally provided with the 4th filter and the 4th attenuator between first microwave components and the third frequency mixer.
Optionally, it is provided with switch filter between first frequency multiplier and first power splitter, described second times
Bandpass filter is provided between frequency device and second power splitter.
In millimeter wave transceiving equipment provided by the utility model, by two frequency band transmitting-receiving subassemblies of setting with by millimeter wave
Transmitting-receiving frequency range be divided into the first broadband rf signal and the second broadband rf signal, the characteristics of so as to according to different broadbands
Transmitting-receiving process is executed respectively, and the signal transmitting and receiving of " ultra wide band ", and high, small in size, the light-weight, function with integrated level may be implemented
The advantages such as small, versatility is good are consumed, especially suitable for general small-size electronic countermeasure load.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will have below
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this Shen
Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the frequency source component of millimeter wave transceiving equipment provided by the embodiment of the utility model；
Fig. 2 is the first band transmitting-receiving subassembly and second band of millimeter wave transceiving equipment provided by the embodiment of the utility model
The structural schematic diagram of transmitting-receiving subassembly；
Fig. 3 is the first microwave components and the second microwave components of millimeter wave transceiving equipment provided by the embodiment of the utility model
Structural schematic diagram；
Appended drawing reference:
11- clock crystal oscillator；12- local oscillation signal access；121- local oscillator frequency of phase locking source；The first frequency multiplier of 122-；124- is opened
Close filter；The first power splitter of 125-；13- point-frequency signal access；131- point frequency frequency of phase locking source；The second frequency multiplier of 132-；
133- bandpass filter；The second power splitter of 134-；The first microwave components of 21-；22- first band up-conversion passage；The first frequency of 23-
Leukorrhagia frequency conversion channel；The first frequency mixer of 221-；The second frequency mixer of 222-；223- third filter；224- third attenuator；231-
Third frequency mixer；The 4th frequency mixer of 232-；The 4th filter 233 of 233-；The 4th attenuator of 234-；22 '-the second microwave components；
4- wave detector；51- transmitting branch；52- receiving branch；53- self-test access；511- emission amplifier；521- limiter 523- is straight
Road all；524- amplifies access；
K1- first switch；K2- second switch；K3- third switch；K4- the 4th is switched；K5- the 5th is switched.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present utility model, it can be modified by various different modes described real
Apply example.Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected, can also be communication；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
The utility model/utility model embodiment is described in detail with reference to the accompanying drawing.
As shown in Figures 1 and 2, the utility model embodiment provides a kind of millimeter wave transceiving equipment, including frequency source group
Part, first band transmitting-receiving subassembly and second band transmitting-receiving subassembly.
The frequency source component include clock crystal oscillator 11 and the local oscillation signal access 12 being connect with the clock crystal oscillator 11 and
Point-frequency signal access 13, the clock crystal oscillator 11 are the TCXO of 100MHz, are divided into two-way clock signal by power splitter function, described
Local oscillator frequency of phase locking source 121, the first frequency multiplier 122, switch filter 124 and the first power splitter are provided in local oscillation signal access
125, local oscillator frequency of phase locking source 121 is phase-locked to 13.25GH~20.25GHz, 5MHz using phaselocked loop in the clock signal
First fundamental frequency signal of stepping, after the first frequency multiplier 122 described in first fundamental frequency signal frequency multiplication generate 26.5GHz~
The local oscillation signal of 40.5GHz, switch filter 124 carry out switch filtering to the local oscillation signal, finally by first function point
Four function of local oscillation signal point amplification output is 4 road local oscillation signals (LO1-1, LO1-2, LO1-3, LO1-4) by device 125.Wherein,
The filtering frequency range of switch filter 124 is 3 sections, respectively 26GHz~30GHz, 30GHz~36GHz, 36GHz~42GHz.
A little frequency frequency of phase locking source 131, the second frequency multiplier 132, bandpass filter are set in the point-frequency signal access 13
133 and second power splitter 134, the point frequency frequency of phase locking source 131 be phase-locked under the clock signal using phaselocked loop
The second fundamental frequency signal of 15.05GHz, the second frequency multiplier 132 described in second fundamental frequency signal amplify 2 frequencys multiplication and generate 30.1GHz
Point-frequency signal and be filtered, finally by second power splitter 134 by 4 function of point-frequency signal be divided into 4 waypoints frequency
Signal (LO2-1, LO2-2, LO2-3, LO2-4).
As shown in Fig. 2, the first band transmitting-receiving subassembly is 4GHz~18GHz's for transceiving band in the present embodiment
First broadband rf signal, the second wide band radio-frequency that the second band transmitting-receiving subassembly is 0.8GHz~4GHz for transceiving band
Signal.
The first band transmitting-receiving subassembly include the first microwave components 21 and connect with first microwave components first
Frequency band up-conversion passage 22 and first band down coversion channel 23, the first band up-conversion passage 22 include the first of connection
Frequency mixer 221 and the second frequency mixer 222, the intermediate-freuqncy signal of one 7.6GHz ± 2GHz inputs described first after being filtered mixed
In frequency device 221, first frequency mixer 221 carries out the intermediate-freuqncy signal with the point-frequency signal of 30.1GHz to be mixed generation
22.5GHz ± 2GHz M signal, the M signal export in second frequency mixer 222 after being filtered enhanced processing,
Second frequency mixer 222 M signal and the local oscillation signal of 26.5GHz~40.5GHz be mixed generate 4GHz~
The first broadband rf signal of 18GHz is additionally provided with third between first microwave components 21 and second frequency mixer 222
Filter 223 and third attenuator 224, the third filter 223 and third attenuator 224 believe first wide band radio-frequency
Number it is filtered and amplifies adjustable attenuation, to realize that 30dB gain is controlled and exported to first microwave components 21.Described
One frequency band down coversion channel 23 includes third frequency mixer 231 and the 4th frequency mixer 232, and first microwave components 21 receive and locate
The first broadband rf signal for managing 4GHz~18GHz, also sets between first microwave components 21 and the third frequency mixer 231
It is equipped with the 4th filter 233 and the 4th attenuator 234, is put for first broadband rf signal to be filtered and decayed
Greatly, by adjusting the attenuation of the 4th attenuator 234, to guarantee that the first wide band radio-frequency for entering the third frequency mixer 231 is believed
Number power be less than a certain performance number, equipment can be made to work in small signal in preferable signal-to-noise ratio state in this way, and believe greatly
Number when work in preferable signal to noise ratio state.The third frequency mixer 231 by first broadband rf signal and 26.5GHz~
The local oscillation signal of 40.5GHz carries out mixing and generates the M signal of 22.5GHz ± 2GHz and carry out at filter and amplification
Reason, the 4th frequency mixer 232 by the M signal and the point-frequency signal of 30.1GHz be mixed generation 7.6GHz ±
The intermediate-freuqncy signal of 2GHz is simultaneously filtered and the enhanced processing that decays, and finally inputs the intermediate-freuqncy signal in one wave detector 4
It carries out coupling detection and realizes AGC function.
The filtering that the second band transmitting-receiving subassembly mainly just completes the second broadband rf signal of 0.8GHz~4GHz declines
Subtract and enhanced processing, including the second microwave components 21 ' and the first filtering channel 31 being connect with second microwave components 21 ' and
Second filtering channel 32, first filtering channel 31 include the first filter 311 and the first attenuator 312 of connection,
The second broadband rf signal of 0.8GHz~4GHz inputs after sequentially passing through the first filter 311 and the first attenuator 312
In second microwave components 21 ', second filtering channel includes the second filter 321 and the second attenuator 322 of connection,
Received second broadband rf signal of second microwave components 21 ' sequentially passes through the second filter 321 and the second decaying
It is inputted after device 322 in the wave detector 4 and carries out coupling detection realization AGC function.
The structure of first microwave components 21 and the second microwave components 21 ' is identical, be used to realize transmitting-receiving timesharing switching,
Clipping and low noise amplification switching, transmission final stage amplification and transmitting-receiving closed loop self-checking function are received, as shown in figure 3, described first is micro-
Wave component 21 and second microwave components 21 ' include switching channels (by first switch K1, second switch K2 and third switch K3
Constitute) and transmitting branch 51, receiving branch 52 and self-test access 53 in the switching channels, it is arranged in the transmitting branch 51
There are an emission amplifier 511, the switching that limiter 521 is provided in the receiving branch 52 and is connect with the limiter 521
Switch combination (is made of) the 5th switch K5 and third switch K3, and the limiter 521 is located at the switch of the 4th switch K4 and the 5th
Between K5, through path 523 and amplification access 524 are provided in the switching switch combination, the switching channels are for switching
The transmitting branch 51 and the receiving branch 52, the switch combination is for switching the through path 523 and amplification access
524。
Specifically, switching channels are switched to self-test access, set millimeter wave transceiving when transmitting-receiving subassembly is in self-test state
Standby transmitting-receiving forms closed loop, monitoring state.When millimeter wave transceiving equipment, which is in, receives working condition, switching channels, which are switched to, to be connect
Revenue and expenditure road 52, the radiofrequency signal from antenna enter limiter 521 through switch, when input is small signal, switch switch combination
It is switched to amplification access 524, channel noise coefficient is preferable, and channels operation is in preferable signal-to-noise ratio state；When input is big signal
When, switching switch combination is switched to straight-through branch 523, gain and the power for being input to rear end is adjusted, so that equipment has preferably
Signal to noise ratio state.When millimeter wave transceiving equipment is in transmitting working condition, switching channels are switched to transmitting branch 51, radio frequency
The emitted amplifier 511 of signal enters antenna port, and when equipment is in emission state, receiving branch 52 needs work in minimum
Gain-state prevents transmitting signal leakage damage receiving branch 52.
In the present embodiment, first switch K1 is needed through 2W high-power signal, it is therefore desirable to select powerful switch, example
Such as TGS2353-2, limiter 521 selects ILM-0026, and in order to improve the noise coefficient of equipment, the 5th switch K5 needs to select low
Differential loss switch, such as MA4AGSW2.
To sum up, in millimeter wave transceiving equipment provided by the utility model, by setting two frequency band transmitting-receiving subassemblies with incite somebody to action
The transmitting-receiving frequency range of millimeter wave is divided into the first broadband rf signal and the second broadband rf signal, so as to according to different broadbands
The characteristics of execute transmitting-receiving process respectively, may be implemented the signal transmitting and receiving of " ultra wide band ", and have integrated level high, small in size, again
The advantages such as amount is light, small power consumption, versatility are good, especially suitable for general small-size electronic countermeasure load.
Claims (5)
1. a kind of millimeter wave transceiving equipment, it is characterised in that: include:
Frequency source component, including clock crystal oscillator and the local oscillation signal access and point-frequency signal access that are connect with the clock crystal oscillator,
Local oscillator frequency of phase locking source, the first frequency multiplier and the first power splitter, the local oscillator locking phase frequency are provided in the local oscillation signal access
Rate source generates the first fundamental frequency signal under the clock signal that the clock crystal oscillator generates, and first fundamental frequency signal is through described first
Function is divided into multichannel local oscillation signal after frequency multiplier and the first power splitter frequency multiplication, and a little frequency is arranged in the point-frequency signal access and locks
Phase frequency source, the second frequency multiplier and the second power splitter, the point frequency frequency of phase locking source generate the second base under the clock signal
Frequency signal, second fundamental frequency signal function after second frequency multiplier and the second power splitter frequency multiplication, which is divided into multichannel point frequency, to be believed
Number；
First band transmitting-receiving subassembly, including the first microwave components and the first band up-conversion being connect with first microwave components
Channel and first band down coversion channel, the first band up-conversion passage include the first frequency mixer and the second mixing of connection
Device, an intermediate-freuqncy signal be mixed with the point-frequency signal by first frequency mixer generates a M signal, and described second is mixed
The M signal and the local oscillation signal be mixed by frequency device generates the first broadband rf signal and micro- by described first
Wave component is sent, and first band down coversion channel includes third frequency mixer and the 4th frequency mixer, the third mixing
Received first broadband rf signal of first microwave components and the local oscillation signal are carried out mixing and generate the centre by device
The M signal be mixed with the point-frequency signal and generates the intermediate-freuqncy signal and input by signal, the 4th frequency mixer
In one wave detector；
Second band transmitting-receiving subassembly, including the second microwave components and the first filtering channel being connect with second microwave components and
Second filtering channel, first filtering channel include the first filter and the first attenuator of connection, one second wide band radio-frequency
Signal is sent after sequentially passing through the first filter and first attenuator by second microwave components, and described
Two filtering channels include the second filter and the second attenuator of connection, received second wide band radio-frequency of the second microwave components
Signal inputs in the wave detector after sequentially passing through the second filter and the second attenuator.
2. millimeter wave transceiving equipment according to claim 1, it is characterised in that: first microwave components and described second
Microwave components include switching channels and with the transmitting branch and receiving branch in the switching channels, be arranged in the transmitting branch
There is an emission amplifier, the switching switch combination that limiter is provided in the receiving branch and is connect with the limiter, institute
It states and is provided with through path and amplification access in switching switch combination, the switching channels are for switching the transmitting branch and institute
Receiving branch is stated, the switch combination is for switching the through path and amplification access.
3. millimeter wave transceiving equipment according to claim 1 or 2, it is characterised in that: first broadband rf signal
Frequency is between 4GHz-18GHz, and the frequency of second broadband rf signal is between 0.8GHz-4GHz, the frequency of the local oscillation signal
For rate between 26.5GHz-40.5GHz, the frequency of the point-frequency signal is 30.1GHz, the frequency of the M signal between
22.5GHz ± 2GHz, the frequency of the intermediate-freuqncy signal is between 7.6GHz ± 2GHz.
4. millimeter wave transceiving equipment according to claim 1, it is characterised in that: first microwave components and described second
Third filter and third attenuator are additionally provided between frequency mixer, between first microwave components and the third frequency mixer
It is additionally provided with the 4th filter and the 4th attenuator.
5. millimeter wave transceiving equipment according to claim 1, it is characterised in that: first frequency multiplier and first function
Divide between device and be provided with switch filter, is provided with bandpass filter between second frequency multiplier and second power splitter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920615166.2U CN209526721U (en) | 2019-04-30 | 2019-04-30 | A kind of millimeter wave transceiving equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920615166.2U CN209526721U (en) | 2019-04-30 | 2019-04-30 | A kind of millimeter wave transceiving equipment |
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| CN209526721U true CN209526721U (en) | 2019-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225021A (en) * | 2021-04-30 | 2021-08-06 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ultra-wideband constant-temperature down converter |
| CN113381779A (en) * | 2021-06-15 | 2021-09-10 | 中国科学院上海微***与信息技术研究所 | Ultra-wideband receiver |
| CN115184881A (en) * | 2022-06-23 | 2022-10-14 | 石家庄银河微波技术有限公司 | Aging test bench, aging test method and aging test system for pulse responder |
-
2019
- 2019-04-30 CN CN201920615166.2U patent/CN209526721U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225021A (en) * | 2021-04-30 | 2021-08-06 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ultra-wideband constant-temperature down converter |
| CN113225021B (en) * | 2021-04-30 | 2022-07-29 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Ultra-wideband constant-temperature down converter |
| CN113381779A (en) * | 2021-06-15 | 2021-09-10 | 中国科学院上海微***与信息技术研究所 | Ultra-wideband receiver |
| CN115184881A (en) * | 2022-06-23 | 2022-10-14 | 石家庄银河微波技术有限公司 | Aging test bench, aging test method and aging test system for pulse responder |
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